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SUBSEQUENT EVENTS (Details Narrative) |  |  |  |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 28, 2021 USD ($) | Jun. 30, 2021 | May 11, 2021 | Apr. 12, 2021 USD ($) | Aug. 24, 2020 USD ($) | Jun. 30, 2021 | Jun. 30, 2021 USD ($) | Mar. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Oct. 26, 2021 USD ($) | Apr. 10, 2020 USD ($) | Mar. 24, 2016 USD ($)
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Error Corrections and Prior Period Adjustments, Description |  |  |  |  |  | At the time of the June 2021 disclosure, the Company estimated and disclosed that the Inventory Costing Errors were expected to increase 2020 net loss reported on the Annual Report on Form 10-K for the year ended December 31, 2020 by $1.9 million to $2.3 million. |  |  |  |  |  |  | At the time of the June 2021 disclosure, the Company estimated and disclosed that the Inventory Costing Errors were expected to increase 2020 net loss reported on the Annual Report on Form 10-K for the year ended December 31, 2020 by $1.9 million to $2.3 million. |  |  |  |  |  |
Net loss (income) |  |  |  |  |  |  | $ (623,151) | $ (1,232,543) | $ (223,398) | $ (839,765) | $ 1,360,561 | $ 3,357,355 | $ (1,855,694) | $ 4,717,916 |  |  |  |  |
Percentage of revenue recognized when product ships to customers |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |
Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 21,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,000,000
Term loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000
Inventory Costing Errors [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss (income) |  |  |  |  |  |  |  |  | 1,071,395 | 112,446 | 510,244 | 315,999 |  | $ 826,243 | $ 2,010,084 |  |  |  |
Insufficient Reserves [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss (income) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 324,231 | $ 2,189,728 |  |  |
Revision of Prior Period, Adjustment [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss (income) |  |  |  |  |  |  |  |  | $ 1,050,305 | $ (24,556) | $ 763,730 | $ 544,836 |  |  | $ 2,334,315 | $ 2,300,083 |  |  |
BNB Bank [Member] | PPP Loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,795,000 |
Bank United [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Expiration Date | Dec. 31, 2022 |  | Jul. 31, 2022 |  | May 02, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio |  |  | 4.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity covenant eliminated | $ 3,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - March 31, 2021 | 5.0 |  |  | 4.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - June 30, 2021 | 4.75 |  |  | 5.35 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - September 30, 2021 | 4.25 |  |  | 4.65 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - December 31, 2021 | 4.0 |  |  | 7.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio June 30, 2022 |  |  |  | 6.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA RatioSeptember 30, 2022 and thereafter |  |  |  | 4.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net Income Required Under Agreement |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum adjusted EBITDA |  |  |  | $ 1,000,000.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Debt Instrument, Redemption, Period One [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods |  |  |  | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Debt Instrument, Redemption, Period Two [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods |  |  |  | 0.90 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Debt Instrument, Redemption, Period Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods |  |  |  | 0.95 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Debt Instrument, Redemption, Period Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods |  |  |  | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  | $ 24,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Principal Under Agreement | $ 750,000 |  |  | $ 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Principal Installment Under Agreement | 250,000 |  |  | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | 200,000 |  |  | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] | Prime Rate [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prime rate Plus |  | 0.75% |  | 2.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] | Prime Rate Period Two Months [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prime rate Plus |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] | Prime Rate Period Three [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prime rate Plus |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] | Prime Rate Period Four [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prime rate Plus |  |  |  | 7.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Term loan [Member] | Prime Rate Period Five [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Prime rate Plus |  |  |  | 8.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liquidity covenant eliminated | $ 3,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Fixed Cost Coverage Ratio Future Periods | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - March 31, 2021 | 5.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - June 30, 2021 | 4.75 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - September 30, 2021 | 4.25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum Funded Debt To EBITDA Ratio - December 31, 2021 | 4.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank United [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 21,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 24,000,000 |  |
Bank United [Member] | Subsequent Event [Member] | Term loan [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Principal Under Agreement | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of Principal Installment Under Agreement | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Principal | $ 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Fee | 250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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